Access Restriction Bypass Affecting qemu-kvm package, versions <2:0.12.1.2-2.209.el6


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (31st percentile)

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  • Snyk IDSNYK-ORACLE6-QEMUKVM-2463721
  • published10 Apr 2022
  • disclosed21 Jun 2012

Introduced: 21 Jun 2012

CVE-2011-2527  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Oracle:6 qemu-kvm to version 2:0.12.1.2-2.209.el6 or higher.
This issue was patched in ELSA-2011-1531.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm package and not the qemu-kvm package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

The change_process_uid function in os-posix.c in Qemu 0.14.0 and earlier does not properly drop group privileges when the -runas option is used, which allows local guest users to access restricted files on the host.

CVSS Scores

version 3.1